/** 
 * @file single.c
 * @brief 
 * @author zkk@crscd.com.cn
 * @date 2014-07-15
 * 
 * $Id$
 */
#include "lwsf.h"
#include "common/single_aux.h"

int16_t single_sub(int16_t a, int16_t b)
{
	return a+HELPER(b);
}
